Robby Kurniawan Harahap. “Simulasi Dan Verifikasi Desain IC Seven Segment Pada Model Behavioral”. Jurnal Ilmiah Komputasi, vol. 18, no. 3, Sept. 2019, pp. 199-04, https://ejournal.jak-stik.ac.id/index.php/komputasi/article/view/2592.